Search

CN-121989381-A - Feeding device for PVC pipe production

CN121989381ACN 121989381 ACN121989381 ACN 121989381ACN-121989381-A

Abstract

The invention relates to the technical field of PVC pipe production and discloses a feeding device for PVC pipe production, which comprises a feed box and a feed hopper, wherein the feed box is used for processing PVC pipe raw material particles, two groups of guide rings are arranged below the feed hopper, the guide rings are in a conical structure, feeding barrels are arranged at the lower ends of the guide rings, the upper ends of the feeding barrels are communicated with the guide rings, the lower ends of the feeding barrels are communicated with the feed box and are used for conveying the PVC pipe raw material particles into the feed box, and the feeding device for PVC pipe production is convenient for processing the blockage of the PVC pipe raw material particles inside the feeding barrels by the combined design of the two groups of the feeding barrels, the combined design of an arc plate, a spreading layer, a guide pillar and an adjusting disc in the feeding barrels and the combined design of a transmission gear and two rotary drum surface gear rings.

Inventors

  • LI MINCHAO
  • LI JINCHAO

Assignees

  • 江苏鼎磐电力科技有限公司

Dates

Publication Date
20260508
Application Date
20231223
Priority Date
20230922

Claims (7)

  1. 1. The utility model provides a feed arrangement is used in PVC pipe production, includes workbin (1), feeder hopper (2), its characterized in that, the below of feeder hopper (2) is provided with two sets of guide ring (3), the lower extreme of guide ring (3) is provided with feed cylinder (5), the upper end of feed cylinder (5) with guide ring (3) intercommunication, the lower extreme with workbin (1) intercommunication, feed cylinder (5) include: A plurality of arc plates (51), wherein when the opposite surfaces of the arc plates (51) are contacted with each other, a cylindrical structure is formed; The device comprises a spreading layer (52), wherein two side edges of the spreading layer (52) vertically corresponding to a feeding cylinder (5) are respectively and slidably arranged between two adjacent arc plates (51) through sliding blocks (521), a reset spring (522) is arranged between the sliding blocks (521) and the inner wall of each arc plate (51), and guide posts (53) are fixedly arranged on the surface of the outer ring of each arc plate (51); The feeding device is characterized in that a rotary drum (8) is arranged on the outer side of the feeding drum (5), the rotary drum (8) is rotatably arranged inside the feed box (1), adjusting discs (81) are fixedly arranged on the upper end face and the lower end face of the rotary drum (8), an arc-shaped groove (814) is formed in the surface, close to one side of the feeding drum (5), of each adjusting disc (81), and the guide pillar (53) is located inside the arc-shaped groove (814); The outer ring surface of the rotary drum (8) is fixedly provided with a gear ring (9), a transmission gear (10) is arranged between the two rotary drums (8) at the outer sides of the two feeding drums (5), the transmission gear (10) is meshed with the gear rings (9) at the outer ring surfaces of the two rotary drums (8) at the same time, and the directions of arc-shaped grooves (814) at the surfaces of the regulating discs (81) in the two rotary drums (8) are opposite; when the rotary drum (8) drives the adjusting disc (81) to rotate, the arc-shaped groove (814) is matched with the guide post (53) to drive the arc plate (51) to move.
  2. 2. The PVC pipe production feeding device according to claim 1, wherein the spreading layer (52) is an elastic cloth; along radial direction slidable mounting of arc board (51) has pull rod (7), one end of pull rod (7) is located the inside of arc board (51), the other end of pull rod (7) is provided with bearing roller (71), bearing roller (71) are located exhibition layer (52) are close to inner ring one side of arc board (51), pull rod (7) with be provided with compression spring (72) between arc board (51).
  3. 3. The feeding device for PVC pipe production according to claim 2, wherein the inside of the arc plate (51) is provided with a press roller (6), the press roller (6) being located at a side of the pull rod (7) close to the slider (521), the press roller (6) being located at a side of the spreading layer (52) away from the carrier roller (71).
  4. 4. The feeding device for PVC pipe production according to claim 2, wherein the surface of the adjusting disc (81) is provided with a first annular guide groove (811) and a second annular guide groove (812), two ends of the arc-shaped groove (814) are respectively communicated with the first guide groove (811) and the second guide groove (812), guide blocks (813) are slidably arranged at the joint of the first guide groove (811) and the second guide groove (812) with the arc-shaped groove (814), the guide blocks (813) are pressed towards the inside of the adjusting disc (81) to shrink, and springs are arranged between the guide blocks (813) and the inner wall of the adjusting disc (81); The guide block (813) is a wedge block, in an unpressurized state, one side edge of the guide block (813) does not protrude from the bottom surface of the first guide groove (811) or the second guide groove (812), the other side edge protrudes from the bottom surface of the first guide groove (811) or the second guide groove (812), and the installation directions of the two guide blocks (813) corresponding to the same arc-shaped groove (814) in the first guide groove (811) and the second guide groove (812) are opposite and are positioned at two sides of the arc-shaped groove (814); An annular pushing disc (82) is fixedly arranged on the inner annular surface of the rotary drum (8), a plurality of pushing blocks (821) are annularly arranged on the surface of the pushing disc (82), the pushing blocks (821) are arched along the annular direction of the pushing disc (82), and the orthographic projection of the pushing blocks (821) on the surface of the pushing disc (82) is arched; One end of the pull rod (7) positioned at the outer side of the arc plate (51) is of a T-shaped or L-shaped structure, and when the exhibition layer (52) is in a fully-unfolded state, one end of the pull rod (7) positioned at the outer side of the arc plate (51) is positioned on a circular track of the pushing block (821).
  5. 5. The feeding device for PVC pipe production according to any one of claims 1 to 4, wherein the horizontal section of the feed hopper (2) is rectangular, two side walls of the feed hopper (2) are rotatably provided with baffle plates (4), and two groups of baffle plates (4) are relatively distributed; The two groups of material blocking plates (4) are composed of an upper telescopic plate and a lower telescopic plate, the upper side edge of the upper telescopic plate is rotatably arranged in the inner side wall of the feed hopper (2), and the lower side edge of the lower telescopic plate is horizontally and slidably arranged in the inner side wall of the feed hopper (2).
  6. 6. The feeding device for PVC pipe production according to claim 5, wherein a threaded rod (14) is rotatably arranged on the outer side wall of the feed hopper (2), the directions of thread surfaces at two ends of the threaded rod (14) are opposite, connecting blocks (141) are in threaded connection with two ends of the threaded rod (14), and the two connecting blocks (141) on the surface of the threaded rod (14) are respectively rotatably connected with the side edges of lower expansion plates in the two groups of baffle plates (4); When one connecting block (141) on the surface of the threaded rod (14) is positioned at the limit stroke position of one end of the threaded surface, the other connecting block (141) is positioned at the limit stroke position of the same direction end of the threaded surface.
  7. 7. The feeding device for PVC pipe production according to claim 6, wherein a bevel gear disc (11) is coaxially arranged above the transmission gear (10), a bevel gear (12) is meshed with the surface of the bevel gear disc (11), a worm (121) is coaxially arranged on the side surface of the bevel gear (12), and a horizontal shaft lever common to the bevel gear (12) and the worm (121) is rotatably arranged inside the feed box (1); the surface of the middle rod body of the threaded rod (14) is fixedly provided with a worm wheel (13), and the worm wheel (13) is meshed with the worm (121).

Description

Feeding device for PVC pipe production Technical Field The invention relates to the technical field of PVC pipe production, in particular to a feeding device for PVC pipe production. Background The PVC pipe is a plastic pipe with polyvinyl chloride as a main material, and the production process flow of the PVC pipe mainly comprises the steps of mixing PVC resin particles and an auxiliary agent, extruding, cooling and shaping, printing ink, drawing, cutting and baking-assisted flaring, wherein the PVC resin particles are required to be conveyed into a mixing box through a feeding mechanism when the PVC resin particles and the auxiliary agent are mixed at high speed and low speed. Traditional feed mechanism mainly has the pipe structure to constitute, when utilizing the pipe structure to carry out the feeding to PVC resin granule, PVC resin granule can block up in the pipe, need shut down this moment and handle the PVC resin granule in the pipe, can't last carry PVC resin granule to the blending box in, influence the mixed machining efficiency of PVC resin granule and auxiliary agent, after the PVC resin granule in the pipe blocks up simultaneously, need with the help of instrument and external force with PVC resin granule propelling movement play pipe, the PVC resin granule of blocking up in the pipe is difficult for the clearance. Disclosure of Invention For solving above traditional feed mechanism mainly has the pipe structure to constitute, when utilizing the pipe structure to carry out the feeding to PVC resin granule, PVC resin granule can block up in the pipe, need shut down this moment and handle the PVC resin granule in the pipe, can't last carry PVC resin granule to the mixing box in, influence the mixed machining efficiency of PVC resin granule and auxiliary agent, after the PVC resin granule in the pipe blocks up simultaneously, need push out the pipe with the help of instrument and external force with PVC resin granule, the difficult problem of clearance of PVC resin granule that blocks up in the pipe. The invention is realized by the following technical scheme that the feeding device for PVC pipe production comprises a feed box and a feed hopper, wherein the feed box is used for processing PVC pipe raw material particles, two groups of guide rings are arranged below the feed hopper, the guide rings are in a conical structure, a feeding cylinder is arranged at the lower end of each guide ring, the upper end of each feeding cylinder is communicated with each guide ring, the lower end of each feeding cylinder is communicated with the feed box and is used for conveying the PVC pipe raw material particles into the feed box, and the feeding cylinder comprises: The arc plates and the opposite surfaces of the arc plates are contacted with each other to form a cylindrical structure, and the cylindrical structure is used for feeding PVC raw material particles; The two vertically corresponding side edges of the spreading layer and the feeding cylinder are respectively and slidably arranged between two adjacent arc plates through sliding blocks, the distance from the spreading layer to the inner annular surface of the arc plates is smaller than the minimum granularity of PVC pipe raw material particles, a reset spring is arranged between the sliding blocks and the inner walls of the arc plates and used for accommodating the spreading layer into the arc plates, and guide posts are fixedly arranged on the outer ring surface of the arc plates; The outer side of the feeding cylinder is provided with a rotary cylinder, the rotary cylinder is rotatably arranged in the feed box, the upper end face and the lower end face of the rotary cylinder are fixedly provided with adjusting plates, the surface of the adjusting plates, which is close to one side of the feeding cylinder, is provided with arc grooves, the guide columns are positioned in the arc grooves, when the rotary cylinder in the rotary cylinder drives the adjusting plates to rotate, the arc grooves are matched with the guide columns, so that the arc plates can be driven to move, adjacent arc plates are separated from each other, when the arc plates are separated from each other, the spreading layer is spread, and the effective cylinder diameter of the feeding cylinder is increased; The outer ring surface fixed mounting of rotary drum has the ring gear, two be provided with drive gear between two rotary drums in the feed cylinder outside, workbin internally mounted has the motor equipment who is used for driving drive gear pivoted, drive gear simultaneously with two the ring gear meshing on rotary drum outer ring surface, two the inside regulating disk surface's of rotary drum arc groove opposite direction, when the inside expansion layer of a feed cylinder expands, the inside expansion layer shrink of another feed cylinder, the inside expansion layer of two feed cylinders is in opposite state promptly. Further, the spreading layer is elastic cloth; Along ra